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Elastomer Seals (1179A Controller)

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Ideal for applications needing repeatability and available with analog and digital communication (ADC) interfaces.

The Lesker MKS Instruments 1179A mass flow controllers are designed to control gas flows in a wide variety of applications, particularly where repeatability is important. They are available with full-scale flow ranges from 10 sccm up to 20 slm of nitrogen.

Both Lesker MKS 1179A are analog and digital (converted from analog signal) versions feature the industry-standard 3" footprint and a variety of gas connection fittings. They can replace existing mass flow controllers or meters in existing gas lines without modification to a line. A unique and patented interchangeable bypass enables the instrument to be retrofitted easily for a different flow range.


  • Elastomer-sealed, 316L stainless steel construction
  • 1% F.S. accuracy and 1% of reading for most flow ranges
  • Repeatable flow control to as low as 0.2 sccm
  • MTBF rating for electronics over 100 years ensures reliability

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